'toss off' definitions:

Definition of 'toss off'

From: WordNet
verb
Write quickly; "She dashed off a note to her husband saying she would not be home for supper"; "He scratched off a thank-you note to the hostess" [syn: dash off, scratch off, knock off, toss off, fling off]
verb
Drink down entirely; "He downed three martinis before dinner"; "She killed a bottle of brandy that night"; "They popped a few beer after work" [syn: toss off, pop, bolt down, belt down, pour down, down, drink down, kill]

Synonyms of 'toss off'

From: Moby Thesaurus